Удиви меня

S x

S xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS xS x